
str1 = 'adbc'
str2 = "efgh"
str3 = """ijklmn
"""
str4 = '''opqrst
'''
print(str1)
print(str2)
print(str3)
print(str4)


# # 通过一对引号定义字符串
# str1 = 'abcd'
# str2 = "hello world"
# print(type(str1))
# print(type(str2))
#
# # 通过三引号定义字符串（支持换行）
# str3 = '''
#     life is short
#     i study python!
# '''
# print(type(str3))